Burnishing-machine.



UNITED STATES PATENT OFFIQE.

HENRY HAUBERT, OF ST. PAUL, AND MATIIIAS OLSEN, OF MINNEAPOLIS, MINNESOTA.

BURNISHENG MACI-HNE.

Specification of Letters Patent. Patentoo; Feb. 12, 1907.

Application filed January 19 r 1904. Serial No. 189,657.

Be it known that we, HENRY IIAUBERT and hIATI-IIAS OLSEN, citizens of the United States, residing, respectively, atSt. Paul and Minneapolis, in the counties of Ramsey and Hennepin and State of Minnesota, have invented certain new and useful Improvements in Burnislung-Machines, of which the following is a specification.

Our invention relates to improvements in burnishing-machines designed particularly for burnishing the edges of leather straps, and consists in means whereby straps of different shapes and sizes may be quickly and satisfactorily burnished.

To this end our invention consists in the features of construction and combination hereinafter particularly described and claimed.

In the accompanying drawings, forming part of this specification, Figure 1 is a perspective view of our improved burnishingmachine. Fig. 2 shows details of the burnishing-rollers. F 3 is a detail of an actuating-cam for one of the rollers. Fig. 4 is a detail view of one of the guideways for the roller. Fig. 5 is a detail of a supportingslide for one of the rollers. Fig. 6 is a view of a supporting-bracket forming part of our invention, and Fig. 7 is a view of the recep tacle for the burnished straps.

In the drawings, A represents a table upon one end of which is mounted a frame 2. The frame 2 carries two pair of vertical standards 3, preferably connected at their upper ends by a cross-bar 4. The inner adjacent faces of the standards are provided with grooves 5. Journaled in blocks 6, which are secured between the upper ends of the standards, is a shaft 7, carrying a roller 8, formed with grooves 9. The shaft 7 carries at one end a burnishing-disk 10 and at the other end a pulley 11. Journaled in blocks 12, slidably supported below the blocks 6, is a shaft 13, carrying a roller 14, corresponding in construction to the roller8. The blocks 12 are formed with ribs 15, fitting slidably in the grooves 5. Secured upon the ends of the shaft 13 are rearwardly-extending brackets 16, formed with sockets 17 to receive the ends of a rod 18, carried by the adjacent end of a receptacle 19. The outer end of the receptacle is pivotally supported upon legs 20,

which have pivotal support 21 .upon the table. The roller 14 is carried toward and from the roller 8 by cams 22, having fulcrum-support 23 upon the rear standards, each cam being formed with-a curved slot 24, into which extends a pin 25, carried by the adjacent block 12. The rearwardly proj ecting ends 26 of the cams are connected. by rods 27 with a weight 28, by means of which the cams and supported parts are counterbalanced. The cams are also provided with forwardly-projecting handles 29, by means of which the cam can be turned upon its fulcrum-support to move and adjust the sliding roller 14 toward and away from the roller 8, as may be necessary for the work in hand. Nhen the roller has been so adjusted, it will be held in adjusted position by means of the counterweighted cams 22, which have slotand-pin connection with the roller, as above described. The shaft 13 of the sliding roller ms at one end a pulley 30 for belt connection with any suitable source of power.

In operation the sliding roller is adjusted to the desired position in relation to the stationary roller, and the straps to be burnished are passed by the operator between corresponding grooves of the rollers. By the adjustment of the sliding roller by means of the cams, as described, and by reason of the pinand-slot connection and the counterweight straps of any desired. size may be passed between the roller and subjected to the proper pressure. The grooves of the rollers may be made of various sizes and shapes to correspend with the sizes and shapes of the straps to be burnished. It will be observed that the forward end of the receptacle 19 is raised and lowered, as shown, with the movable roller 14.

Having now described our invention, what we claim as new, and desire to secure by Letters Patent, is

1. A burnishing-machine of the class described, comprising in combination, framework, a corrugated roller having fixed j ournal-support therein, a cooperating roller slidably supported near the same, adj Listing-cams fulcrumed upon the framework and each provided with a curved slot, pins connected with said slidable roller and projecting into said slots, means pressing downwardly upon the rear ends of said cams, and outwardly-extending handles carried by the forward ends of said cams.

2. A burnishing-machine of the class described comprising in combination a framework, a corrugated roller having fixed j ournal-support therein, a slidably-supported roller journaled near said fixed roller, adjusting-cams fulcrumed upon said framework, a slot-and-pin connection between said cams and the adjacent ends of said slidable rollers and counterbalancing means for said cams so as to hold said slidable roller in adjusted positions.

3. A burnishing-machine of the class described, comprising in combination, framework, a corrugated roller having fixed jourrial-support therein, a cooperating roller journaled in blocks slidably supported below said fixed roller, adjusting-cams fulcrumed upon said framework and formed with upwardly arched slots, pins extending outwardly from said blocks into said slots, counterbalancing means connected with said cams, and outwardly-extending handles carried by said cams.

4. A burnishing-machine of the class described, consisting of parallel vertical uprights, a horizontal roller having fixed journal-support between the upper ends of said uprights, a similar roller having journal-support in blocks slidable in said uprights below said fixed roller, adjusting-cams fulcrumecl upon said uprights and having pinand-slot connection with said slidable blocks, a weight connected with said cams, and a receptacle connected to, and adjustable with, said slidable roller.

In testimony whereof we affix our signatures in presence of two witnesses.

HENRY HAUBERT. MATHIAS OLSEN Witnesses:

H. S. JoHNsoN, EMILY F. OTIS. 

